The piece is provocative, and Klein uses some interesting examples. Most striking is the study that shows that people’s maths skills get worse when the problem they’re dealing with has a political element and goes against their political instincts. (Klein seems to have slightly misunderstood the study he’s written about, but his basic point stands.)

The basic claim is that people engage in ‘motivated reasoning’ when they think about politics – in other words, they think in order to justify what they already believe, not in order to discover the truth. This, he suggests, is because the politically-engaged people get more loyalty to their ‘tribe’ than they lose by being wrong. Klein says that this has become worse as political parties have become more ideologically uniform and ideological ecosystems, like think tanks, blogs, media, more expansive. That’s where an ideology comes in.
Institut de Haute Finance IHFI - P. Dessertine. Avec son directeur Philippe Dessertine L’Institut de Haute Finance a été fondé en 1972 par Georges Pompidou, Président de la République et grand banquier.